In article <5arda4$82t at daily-planet.nodak.edu>, Superdave the
Wonderchemist <thweatt at prairie.nodak.edu> writes
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>References: <01bbfb17$1c39f300$394f22cf at billyy>
>Organization: North Dakota Higher Education Computing Network (NDHECN)
>Distribution:
>>Billy Yeung Kei Chun (billyy at connect.ab.ca) wrote:
>: Hi, I am now doing a research project in class on "how to increase to
>: surface tension of water" The water is just the ordinary water from the
>: tap that we use in our daily life. If anyone realize the answer of possess
>: any information please help me out of it. Thank you
>>: Billy
>>>I will help:
>>According to my hady-dandy CRC Handbook of Chemistry and Physics (70th
>edition, 1989-1990, CRC Press, USA) the surface tension of "pure" water
>against air at 20 degrees C is 72.75 dynes/cm.
>At 0 degrees celcius, the surface tension of water is 75.6 dynes/cm, at
>100 degress it is only 58.9 dynes/cm.
>-Superdave The Wonderchemist
>
Dear Superdave The Wonderchemist
Would dynes/cm be some sort of ancient measurement?
Does it have any relationship to Newtons/metre????
Ordinary Richard The Abandonedchemistryfirstyearuniversity
p.s celcius ... Superspelling of celsius, I presume :)
--
Richard Phillips